VerifyEvent.java

/*******************************************************************************
 * Copyright (c) 2000, 2008, 2012 IBM Corporation, Gerhardt Informatics Kft. and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Gerhardt Informatics Kft. - GEFGWT port
 *******************************************************************************/
package org.eclipse.swt.events;

import org.eclipse.swt.widgets.Event;

/**
 * Instances of this class are sent as a result of widgets handling keyboard
 * events
 * 
 * @see VerifyListener
 * @see <a href="http://www.eclipse.org/swt/">Sample code and further
 *      information</a>
 */

public final class VerifyEvent extends KeyEvent {

	/**
	 * the range of text being modified. Setting these fields has no effect.
	 */
	public int start, end;

	/**
	 * the new text that will be inserted. Setting this field will change the
	 * text that is about to be inserted or deleted.
	 */
	public String text;

	static final long serialVersionUID = 3257003246269577014L;

	/**
	 * Constructs a new instance of this class based on the information in the
	 * given untyped event.
	 * 
	 * @param e
	 *            the untyped event containing the information
	 */
	public VerifyEvent(Event e) {
		super(e);
		this.start = e.start;
		this.end = e.end;
		this.text = e.text;
	}

	/**
	 * Returns a string containing a concise, human-readable description of the
	 * receiver.
	 * 
	 * @return a string representation of the event
	 */
	public String toString() {
		String string = super.toString();
		return string.substring(0, string.length() - 1) // remove trailing '}'
				+ " start=" + start + " end=" + end + " text=" + text + "}";
	}
}